Merge pull request #972 from tjmtic/now-update-888

Update primitive mutable states to mutableState API where applicable

app-nia-catalog/src/main/kotlin/com/google/samples/apps/niacatalog/ui/Catalog.kt

@@ -32,6 +32,7 @@ import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
@@ -318,7 +319,7 @@ fun NiaCatalog() {
                 }
                 item { Text("Tabs", Modifier.padding(top = 16.dp)) }
                 item {
-                    var selectedTabIndex by rememberSaveable { mutableStateOf(0) }
+                    var selectedTabIndex by rememberSaveable { mutableIntStateOf(0) }
                     val titles = listOf("Topics", "People")
                     NiaTabRow(selectedTabIndex = selectedTabIndex) {
                         titles.forEachIndexed { index, title ->
@@ -332,7 +333,7 @@ fun NiaCatalog() {
                 }
                 item { Text("Navigation", Modifier.padding(top = 16.dp)) }
                 item {
-                    var selectedItem by rememberSaveable { mutableStateOf(0) }
+                    var selectedItem by rememberSaveable { mutableIntStateOf(0) }
                     val items = listOf("For you", "Saved", "Interests")
                     val icons = listOf(
                         NiaIcons.UpcomingBorder,

core/designsystem/src/main/kotlin/com/google/samples/apps/nowinandroid/core/designsystem/component/scrollbar/Scrollbar.kt

@@ -35,6 +35,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableFloatStateOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberUpdatedState
@@ -205,7 +206,7 @@ fun Scrollbar(
 
     // Used to immediately show drag feedback in the UI while the scrolling implementation
     // catches up
-    var interactionThumbTravelPercent by remember { mutableStateOf(Float.NaN) }
+    var interactionThumbTravelPercent by remember { mutableFloatStateOf(Float.NaN) }
 
     var track by remember { mutableStateOf(ScrollbarTrack(packedValue = 0)) }
 

core/designsystem/src/main/kotlin/com/google/samples/apps/nowinandroid/core/designsystem/component/scrollbar/ThumbExt.kt

@@ -22,7 +22,7 @@ import androidx.compose.foundation.lazy.staggeredgrid.LazyStaggeredGridState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.mutableFloatStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberUpdatedState
 import androidx.compose.runtime.setValue
@@ -74,7 +74,7 @@ private inline fun rememberDraggableScroller(
     itemsAvailable: Int,
     crossinline scroll: suspend (index: Int) -> Unit,
 ): (Float) -> Unit {
-    var percentage by remember { mutableStateOf(Float.NaN) }
+    var percentage by remember { mutableFloatStateOf(Float.NaN) }
     val itemCount by rememberUpdatedState(itemsAvailable)
 
     LaunchedEffect(percentage) {